In the reaction, zn (s) + 2hcl (aq) → zncl2 (aq) + h2 (g), which reactant is a solid?

zn

hcl

zncl2

h2

Answer : The Zn reactant is a solid.

Explanation :

Balanced chemical reaction : It is the reaction in which the number of atoms of an individual elements present on reactant side must be equal to the product side.

The species present on the left side of the right arrow is the reactant and the species present on the right side of the right arrow is the product.

Single replacement reaction : A chemical reaction in which the more reactive element replace the less reactive element.

It is represented as,

In this reaction, A is more reactive element and B is less reactive element.

The given balanced chemical reaction is,

This reaction is a single replacement reaction in which the the more reactive (Zn) element replace the less reactive element (H).

In the given reaction, Zn(s) and HCl(aq) are the reactants and and are the products.

From the reaction we conclude that, Zn reactant is a solid.

Hence, the Zn reactant is a solid.

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2b2t

explanation:

2b2t